def run_powershell(powershell_command)
    puts %Q-Executing powershell #{powershell_command}-
    output =  system("powershell.exe  #{powershell_command}")
    puts "Executed powershell output #{output}"
end

success = system("powershell.exe  #{powershell_command}")
if success then
    ...
end

output = `powershell.exe  #{powershell_command}`
success = $?.exitstatus == 0

output = IO::popen(["powershell.exe", powershell_command]) {|io| io.read}
success = $?.exitstatus == 0

def powershell_output_true?()
  ps_command = "(1+1) -eq 2"
  cmd_str = "powershell -Command " " + ps_command + " " "
  cmd = shell_out(cmd_str, { :returns => [0] })
  if(cmd.stdout =~ /true/i)
     Chef::Log.debug "PowerShell output is true"
    return true
  else
    Chef::Log.debug "PowerShell output is false"
    return false
  end
end